An Improved Water Cell for the Emmons Double-variation Procedure

J. Tarney and E. D. Lacy

Department of Geology, University of Birmingham

Summary: An improved water cell for the Universal Stage is described for use in the Emmons double-variation procedure. The cell provides an increased heat flow to the mineral grains, and the technique of orientating and retaining the grains in the centre of the field of view is greatly simplified.